Does not constraint on BufRead trait, create bufreader dynamically

chess_uci/src/lib.rs

@@ -31,8 +31,8 @@ use chess::{Game, Board, ChessMove};
 /// // .. uci.init(); ..
 /// uci.push_raw("quit\n");
 /// ```
-pub struct UciEngine<Fi: BufRead, Fo: Write> {
-    source: Fi,
+pub struct UciEngine<Fi: Read, Fo: Write> {
+    source: BufReader<Fi>,
     destination: Fo,
     uciok: bool,
     id: Id,
@@ -40,14 +40,15 @@ pub struct UciEngine<Fi: BufRead, Fo: Write> {
     game: Game,
 }
 
-impl<Fi: BufRead, Fo:  Write> UciEngine<Fi, Fo> {
+impl<Fi: Read, Fo:  Write> UciEngine<Fi, Fo> {
 
     /// Create new game manager
     ///
     /// Requires line by line input and output streams to communicate with uci engine
     pub fn new(source: Fi, destination: Fo) -> UciEngine<Fi, Fo> {
         UciEngine::<Fi, Fo>{
-            source, destination,
+            source: BufReader::new(source),
+            destination,
             id: Id::new(),
             uciok: false,
             initial: Board::default(),
@@ -146,6 +147,7 @@ impl<Fi: BufRead, Fo:  Write> UciEngine<Fi, Fo> {
 
     /// Retrieve a line from the uci engine input stream and parse it
     pub fn pull(&mut self) {
+
         let mut command = String::new();
         match self.source.read_line(&mut command) {
             Ok(0) => self.terminate("Chess engine closed connection."),

chess_uci_demo/src/main.rs

@@ -5,7 +5,6 @@ use chess::ChessMove;
 use chess_uci::*;
 
 use std::process::{Command, Stdio};
-use std::io::BufReader;
 use std::str::FromStr;
 
 pub fn main(){
@@ -23,7 +22,7 @@ pub fn main(){
         };
 
     let (sf_in,sf_out) = (process.stdin.expect("Program stdin"), process.stdout.expect("Program stdout"));
-    let mut uci = UciEngine::new(BufReader::new(sf_out), sf_in);
+    let mut uci = UciEngine::new(sf_out, sf_in);
     uci.init();
 
     println!("Engine: {} \nby: {}",